12=7+v

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Solution for 12=7+v equation:


Simplifying
12 = 7 + v

Solving
12 = 7 + v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-1v' to each side of the equation.
12 + -1v = 7 + v + -1v

Combine like terms: v + -1v = 0
12 + -1v = 7 + 0
12 + -1v = 7

Add '-12' to each side of the equation.
12 + -12 + -1v = 7 + -12

Combine like terms: 12 + -12 = 0
0 + -1v = 7 + -12
-1v = 7 + -12

Combine like terms: 7 + -12 = -5
-1v = -5

Divide each side by '-1'.
v = 5

Simplifying
v = 5

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